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/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "UTIUtilities.h"
#if PLATFORM(IOS)
#import "SoftLinking.h"
#import <MobileCoreServices/MobileCoreServices.h>
SOFT_LINK_FRAMEWORK(MobileCoreServices)
SOFT_LINK(MobileCoreServices, UTTypeCopyDeclaration, CFDictionaryRef, (CFStringRef inUTI), (inUTI))
SOFT_LINK(MobileCoreServices, UTTypeCopyPreferredTagWithClass, CFStringRef, (CFStringRef inUTI, CFStringRef inTagClass), (inUTI, inTagClass))
SOFT_LINK_CONSTANT(MobileCoreServices, kUTTypeConformsToKey, CFStringRef)
SOFT_LINK_CONSTANT(MobileCoreServices, kUTTagClassMIMEType, CFStringRef)
#define kUTTagClassMIMEType getkUTTagClassMIMEType()
#define kUTTypeConformsToKey getkUTTypeConformsToKey()
#endif
namespace WebCore {
RetainPtr<CFStringRef> mimeTypeFromUTITree(CFStringRef uti)
{
// Check if this UTI has a MIME type.
RetainPtr<CFStringRef> mimeType = adoptCF(UTTypeCopyPreferredTagWithClass(uti, kUTTagClassMIMEType));
if (mimeType)
return mimeType.get();
// If not, walk the ancestory of this UTI via its "ConformsTo" tags and return the first MIME type we find.
RetainPtr<CFDictionaryRef> decl = adoptCF(UTTypeCopyDeclaration(uti));
if (!decl)
return nil;
CFTypeRef value = CFDictionaryGetValue(decl.get(), kUTTypeConformsToKey);
if (!value)
return nil;
CFTypeID typeID = CFGetTypeID(value);
if (typeID == CFStringGetTypeID())
return mimeTypeFromUTITree((CFStringRef)value);
if (typeID == CFArrayGetTypeID()) {
CFArrayRef newTypes = (CFArrayRef)value;
CFIndex count = CFArrayGetCount(newTypes);
for (CFIndex i = 0; i < count; ++i) {
CFTypeRef object = CFArrayGetValueAtIndex(newTypes, i);
if (CFGetTypeID(object) != CFStringGetTypeID())
continue;
if (RetainPtr<CFStringRef> mimeType = mimeTypeFromUTITree((CFStringRef)object))
return mimeType;
}
}
return nil;
}
RetainPtr<CFStringRef> UTIFromMIMEType(CFStringRef mime)
{
RetainPtr<CFStringRef> uti = adoptCF(UTTypeCreatePreferredIdentifierForTag(kUTTagClassMIMEType, mime, 0));
return uti;
}
}
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